- Olympus CF-HQ290I - depth of field: normal: 9-100 mm ​/​ near: 4-9 mm - angulation range: UP 180 ° ​/​ DOWN 180 ° ​/​ RIGHT 160 ° ​/​ LEFT 160 ° - field of view: normal focus mode 170° ​/​ near focus mode 160° -channel inner diameter: 3.7 mm -working length: L: 1680 mm I: 1330 mm -total length: L: 2005 mm I: 1655 mm -distal end outer diameter: 13.2 mm -Insertion tube outer diameter: 12.8 mm compatible video processor: CV-290 CLV-290SL, CLV-290 * please do not hesitate to contact me if you need any help about the price and condition. Return Policy: Items are sold as-is with no returns or refunds available unless explicitly stated.